The Science Advances article is http://advances.sciencemag.org/content/4/10/eaat3807 http://advances.sciencemag.org/content/4/10/eaat3807 "Seventeen surgeons a

The Science Advances article is http://advances.sciencemag.org/content/4/10/eaat3807 http://advances.sciencemag.org/content/4/10/eaat3807 "Seventeen surgeons and 13 medical students participated in this study." According to Table S1 they were classified as: - 8 expert, mean age 35, 700 laparoscopic procedures in average - 9 novice surgeons, mean age 31, 60 laparoscopic procedures in average - 7 trainees and 5 controls, medical school year 1-4, 0 laparoscopic procedures. The article has 8 authors.